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Link between magnetism and resistivity upturn in cuprates: a thermal conductivity study of LaSrCuO
P. Bourgeois-Hope, S. Y. Li, F. Laliberté +8
A key unexplained feature of cuprate superconductors is the upturn in their normal state electrical resistivity seen at low temperature inside the pseudogap phase. We examin…
Thermal conductivity of the quantum spin liquid candidate EtMe3Sb[Pd(dmit)2]2: No evidence of mobile gapless excitations
P. Bourgeois-Hope, F. Laliberté, E. Lefrançois +9
The thermal conductivity of the quasi-2D organic spin-liquid candidate EtMeSb[Pd(dmit)] (dmit-131) was measured at low temperatures, down to 0.07 K. We observe a va…
Giant thermal Hall conductivity from neutral excitations in the pseudogap phase of cuprates
Gaël Grissonnanche, Anaëlle Legros, Sven Badoux +12
The nature of the pseudogap phase of cuprates remains a major puzzle. Although there are indications that this phase breaks various symmetries, there is no consensus on its fundame…